1103004432 has 40 divisors (see below), whose sum is σ = 3166032480. Its totient is φ = 367668000.

The previous prime is 1103004431. The next prime is 1103004479. The reversal of 1103004432 is 2344003011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1103004431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276194 + ... + 1277057.

It is an arithmetic number, because the mean of its divisors is an integer number (79150812).

Almost surely, 2^1103004432 is an apocalyptic number.

1103004432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1103004432 is an abundant number, since it is smaller than the sum of its proper divisors (2063028048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1103004432 is a wasteful number, since it uses less digits than its factorization.

1103004432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553268 (or 2553256 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1103004432 is about 33211.5105347529. The cubic root of 1103004432 is about 1033.2190839578.

Adding to 1103004432 its reverse (2344003011), we get a palindrome (3447007443).

The spelling of 1103004432 in words is "one billion, one hundred three million, four thousand, four hundred thirty-two".